Home / 763,655,215.49-1,145,014,030.05-296,771,497.10

Finding the Fourth Proportional to 763,655,215.49, 1,145,014,030.05 and 296,771,497.10

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Solution

The fourth proportional to 763,655,215.49, 1,145,014,030.05 and 296,771,497.10 is: 444,975,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,655,215.49 : 1,145,014,030.05 = 296,771,497.10 : x
  2. Step 2: Convert to fraction form
    763,655,215.49/1,145,014,030.05 = 296,771,497.10/x
  3. Step 3: Cross multiply
    763,655,215.49x = 1,145,014,030.05 × 296,771,497.10
  4. Step 4: Simplify right side
    763,655,215.49x = 339,807,527,892,717,824
  5. Step 5: Solve for x
    x = 339,807,527,892,717,824/763,655,215.49
  6. Step 6: Final answer
    x = 444,975,063.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.